Ella is a normal XX girl who is red-green
colorblind. She is pregnant and the father is
Terrick who has normal color vision. What is
the probability that - if they have a daughter -
the daughter will be red-green colorblind?
a. 0%
b. 25%
c. 50%
d. 100%
e. impossible to tell with the information
provided
A
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They serve as the working parts of cilia and flagella
A) Cristae B) Electron transport chain C) Microtubules D) Glycolysis E) Flagella F) Plasma membrane G) Citric acid cycle H) ATP
Which of the following statements about cartilage is false?
A. A cartilage model precedes bone formation during both endochondral and intramembranous ossification. B. Much of the embryonic skeleton of humans is made up of cartilage. C. Cartilage within the growth plate of bones allows for growth during adolescence. D. Articular cartilage lines the surface of bones at a joint. E. All of the answer options are correct.
Which of the following is NOT key evidence for a large meteorite impact striking the Earth approximately 65 million years ago?
A) tiny particles of glass called microtektites B) "shocked quartz" grains, with fine parallel planes caused by a burst of intense pressure C) the disappearance of many taxa of large reptiles beginning about 70 million years ago D) a worldwide layer of sediments highly enriched in the element iridium E) gravity anomalies that allow us to map the now-buried meteorite crater
In Bacteria and Archaea, most proteins that are transported across membranes begin with a 15–20 residue amino acid sequence called a
a. –35 sequence. b. sec sequence. c. signal sequence. d. tat sequence.